diff --git a/cmd/huashijie_work_go/huashijie_work_go.go b/cmd/huashijie_work_go/huashijie_work_go.go
index bf6fd86..05e8db2 100644
--- a/cmd/huashijie_work_go/huashijie_work_go.go
+++ b/cmd/huashijie_work_go/huashijie_work_go.go
@@ -175,6 +175,8 @@ func main() {
 	go InterruptHandler()
 	go ShowStatus(tracker)
 
+	huashijie_api.EnsureConnection(*tracker.HTTP_client)
+
 	Logger.Println("-- Start --")
 
 	for i := 0; i < BASE_CONCURRENCY; i++ {
diff --git a/pkg/huashijie_api.go b/pkg/huashijie_api.go
index f958399..1767bb0 100644
--- a/pkg/huashijie_api.go
+++ b/pkg/huashijie_api.go
@@ -5,6 +5,7 @@ import (
 	"io"
 	"math/rand"
 	"net/http"
+	"strings"
 )
 
 var XIAOMI_MODELS = []string{
@@ -21,6 +22,32 @@ var XIAOMI_MODELS = []string{
 	"MDE5",
 }
 
+func EnsureConnection(client http.Client) {
+	// https://app.huashijie.art/api/update/checkUpdate
+	req, err := http.NewRequest("GET", "https://app.huashijie.art/api/update/checkUpdate", nil)
+	if err != nil {
+		panic(err)
+	}
+	req.Header.Add("Referer", "https://app.huashijie.art/")
+	req.Header.Add("User-Agent", "Dalvik/2.1.0 (Linux; U; Android 9; MI 8 SE MIUI/V12.0.2.0.PEBCNXM)")
+
+	resp, err := client.Do(req)
+
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+	text := string(body)
+	fmt.Println(text)
+	if !strings.Contains(text, "update_ver_code") {
+		panic("NotImplementedError: " + text)
+	}
+}
+
 func GetWorkDetailResponse(client http.Client, work_id string) ([]byte, int) {
 	req, err := http.NewRequest("GET", "https://app.huashijie.art/api/work/detailV2", nil)
 	if err != nil {